Remove --enable-prune-gpu-command-buffers

This isn't set anywhere. Remove corresponding feature.

BUG=350489

Review URL: https://codereview.chromium.org/189143007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@256162 0039d316-1c4b-4281-b951-d872f2087c98

12 files changed, 0 insertions, 34 deletions

diff --git a/content/browser/renderer_host/render_process_host_impl.cc b/content/browser/renderer_host/render_process_host_impl.cc
index 0c9a7c0..cb4fbe4 100644
--- a/content/browser/renderer_host/render_process_host_impl.cc
+++ b/content/browser/renderer_host/render_process_host_impl.cc
@@ -1050,7 +1050,6 @@ void RenderProcessHostImpl::PropagateBrowserCommandLineToRenderer(
     switches::kEnableOverscrollNotifications,
     switches::kEnablePinch,
     switches::kEnablePreparsedJsCaching,
-    switches::kEnablePruneGpuCommandBuffers,
     switches::kEnableRepaintAfterLayout,
     switches::kEnableServiceWorker,
     switches::kEnableSkiaBenchmarking,
diff --git a/content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.cc b/content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.cc
index be4e5c2..4b91c42 100644
--- a/content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.cc
+++ b/content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.cc
@@ -423,17 +423,12 @@ bool WebGraphicsContext3DCommandBufferImpl::CreateContext(bool onscreen) {
 
   DCHECK(host_.get());
 
-  const CommandLine& command_line = *CommandLine::ForCurrentProcess();
-  bool free_command_buffer_when_invisible =
-      command_line.HasSwitch(switches::kEnablePruneGpuCommandBuffers);
-
   // Create the object exposing the OpenGL API.
   real_gl_.reset(new gpu::gles2::GLES2Implementation(
       gles2_helper_.get(),
       gles2_share_group,
       transfer_buffer_.get(),
       bind_generates_resources_,
-      free_command_buffer_when_invisible,
       command_buffer_.get()));
   gl_ = real_gl_.get();
 
diff --git a/content/public/common/content_switches.cc b/content/public/common/content_switches.cc
index 2cf2112..84e85f5 100644
--- a/content/public/common/content_switches.cc
+++ b/content/public/common/content_switches.cc
@@ -531,10 +531,6 @@ const char kEnablePreparsedJsCaching[]      = "enable-preparsed-js-caching";
 const char kEnablePrivilegedWebGLExtensions[] =
     "enable-privileged-webgl-extensions";
 
-// Aggressively free GPU command buffers belonging to hidden tabs.
-const char kEnablePruneGpuCommandBuffers[] =
-    "enable-prune-gpu-command-buffers";
-
 // Enables the CSS multicol implementation that uses the regions implementation.
 const char kEnableRegionBasedColumns[] =
     "enable-region-based-columns";
diff --git a/content/public/common/content_switches.h b/content/public/common/content_switches.h
index f45726f..f628b16 100644
--- a/content/public/common/content_switches.h
+++ b/content/public/common/content_switches.h
@@ -158,7 +158,6 @@ CONTENT_EXPORT extern const char kEnableOverscrollNotifications[];
 CONTENT_EXPORT extern const char kEnablePinch[];
 extern const char kEnablePreparsedJsCaching[];
 CONTENT_EXPORT extern const char kEnablePrivilegedWebGLExtensions[];
-extern const char kEnablePruneGpuCommandBuffers[];
 CONTENT_EXPORT extern const char kEnableRegionBasedColumns[];
 CONTENT_EXPORT extern const char kEnableRepaintAfterLayout[];
 CONTENT_EXPORT extern const char kEnableSandboxLogging[];
diff --git a/gpu/command_buffer/client/gl_in_process_context.cc b/gpu/command_buffer/client/gl_in_process_context.cc
index d9a258e..1db894f 100644
--- a/gpu/command_buffer/client/gl_in_process_context.cc
+++ b/gpu/command_buffer/client/gl_in_process_context.cc
@@ -243,7 +243,6 @@ bool GLInProcessContextImpl::Initialize(
   transfer_buffer_.reset(new TransferBuffer(gles2_helper_.get()));
 
   bool bind_generates_resources = false;
-  bool free_everything_when_invisible = false;
 
   // Create the object exposing the OpenGL API.
   gles2_implementation_.reset(new gles2::GLES2Implementation(
@@ -251,7 +250,6 @@ bool GLInProcessContextImpl::Initialize(
       share_group,
       transfer_buffer_.get(),
       bind_generates_resources,
-      free_everything_when_invisible,
       command_buffer_.get()));
 
   if (use_global_share_group) {
diff --git a/gpu/command_buffer/client/gles2_implementation.cc b/gpu/command_buffer/client/gles2_implementation.cc
index c0bf495..e0b0cb8 100644
--- a/gpu/command_buffer/client/gles2_implementation.cc
+++ b/gpu/command_buffer/client/gles2_implementation.cc
@@ -86,7 +86,6 @@ GLES2Implementation::GLES2Implementation(
       ShareGroup* share_group,
       TransferBufferInterface* transfer_buffer,
       bool bind_generates_resource,
-      bool free_everything_when_invisible,
       GpuControl* gpu_control)
     : helper_(helper),
       transfer_buffer_(transfer_buffer),
@@ -112,8 +111,6 @@ GLES2Implementation::GLES2Implementation(
       use_count_(0),
       error_message_callback_(NULL),
       gpu_control_(gpu_control),
-      surface_visible_(true),
-      free_everything_when_invisible_(free_everything_when_invisible),
       capabilities_(gpu_control->GetCapabilities()),
       weak_ptr_factory_(this) {
   DCHECK(helper);
@@ -346,7 +343,6 @@ void GLES2Implementation::SignalQuery(uint32 query,
 void GLES2Implementation::SetSurfaceVisible(bool visible) {
   // TODO(piman): This probably should be ShallowFlushCHROMIUM().
   Flush();
-  surface_visible_ = visible;
   gpu_control_->SetSurfaceVisible(visible);
   if (!visible)
     FreeEverything();
@@ -850,8 +846,6 @@ void GLES2Implementation::Flush() {
   // Flush our command buffer
   // (tell the service to execute up to the flush cmd.)
   helper_->CommandBufferHelper::Flush();
-  if (!surface_visible_ && free_everything_when_invisible_)
-    FreeEverything();
 }
 
 void GLES2Implementation::ShallowFlushCHROMIUM() {
@@ -866,8 +860,6 @@ void GLES2Implementation::ShallowFlushCHROMIUM() {
 void GLES2Implementation::Finish() {
   GPU_CLIENT_SINGLE_THREAD_CHECK();
   FinishHelper();
-  if (!surface_visible_ && free_everything_when_invisible_)
-    FreeEverything();
 }
 
 void GLES2Implementation::ShallowFinishCHROMIUM() {
diff --git a/gpu/command_buffer/client/gles2_implementation.h b/gpu/command_buffer/client/gles2_implementation.h
index 800d9f3..314261f 100644
--- a/gpu/command_buffer/client/gles2_implementation.h
+++ b/gpu/command_buffer/client/gles2_implementation.h
@@ -185,7 +185,6 @@ class GLES2_IMPL_EXPORT GLES2Implementation
       ShareGroup* share_group,
       TransferBufferInterface* transfer_buffer,
       bool bind_generates_resource,
-      bool free_everything_when_invisible,
       GpuControl* gpu_control);
 
   virtual ~GLES2Implementation();
@@ -716,9 +715,6 @@ class GLES2_IMPL_EXPORT GLES2Implementation
 
   GpuControl* gpu_control_;
 
-  bool surface_visible_;
-  bool free_everything_when_invisible_;
-
   Capabilities capabilities_;
 
   bool use_echo_for_swap_ack_;
diff --git a/gpu/command_buffer/client/gles2_implementation_unittest.cc b/gpu/command_buffer/client/gles2_implementation_unittest.cc
index a2352be..3e9acb1 100644
--- a/gpu/command_buffer/client/gles2_implementation_unittest.cc
+++ b/gpu/command_buffer/client/gles2_implementation_unittest.cc
@@ -444,7 +444,6 @@ class GLES2ImplementationTest : public testing::Test {
                                     share_group,
                                     transfer_buffer_.get(),
                                     bind_generates_resource,
-                                    false /* free_everything_when_invisible */,
                                     gpu_control_.get()));
         ASSERT_TRUE(gl_->Initialize(kTransferBufferSize,
                                     kTransferBufferSize,
diff --git a/gpu/command_buffer/tests/gl_manager.cc b/gpu/command_buffer/tests/gl_manager.cc
index db0c4c6..e8d6452 100644
--- a/gpu/command_buffer/tests/gl_manager.cc
+++ b/gpu/command_buffer/tests/gl_manager.cc
@@ -188,15 +188,12 @@ void GLManager::Initialize(const GLManager::Options& options) {
   // Create a transfer buffer.
   transfer_buffer_.reset(new TransferBuffer(gles2_helper_.get()));
 
-  bool free_everything_when_invisible = false;
-
   // Create the object exposing the OpenGL API.
   gles2_implementation_.reset(new gles2::GLES2Implementation(
       gles2_helper_.get(),
       client_share_group,
       transfer_buffer_.get(),
       options.bind_generates_resource,
-      free_everything_when_invisible ,
       gpu_control_.get()));
 
   ASSERT_TRUE(gles2_implementation_->Initialize(
diff --git a/gpu/gles2_conform_support/egl/display.cc b/gpu/gles2_conform_support/egl/display.cc
index 73fb185..9885cd6 100644
--- a/gpu/gles2_conform_support/egl/display.cc
+++ b/gpu/gles2_conform_support/egl/display.cc
@@ -229,14 +229,12 @@ EGLContext Display::CreateContext(EGLConfig config,
   DCHECK(transfer_buffer_.get());
 
   bool bind_generates_resources = true;
-  bool free_everything_when_invisible = false;
 
   context_.reset(new gpu::gles2::GLES2Implementation(
       gles2_cmd_helper_.get(),
       NULL,
       transfer_buffer_.get(),
       bind_generates_resources,
-      free_everything_when_invisible,
       gpu_control_.get()));
 
   if (!context_->Initialize(
diff --git a/mojo/gles2/gles2_context.cc b/mojo/gles2/gles2_context.cc
index 195ec60..1cff999 100644
--- a/mojo/gles2/gles2_context.cc
+++ b/mojo/gles2/gles2_context.cc
@@ -45,7 +45,6 @@ bool GLES2Context::Initialize() {
                                           NULL,
                                           transfer_buffer_.get(),
                                           true,
-                                          true,
                                           &command_buffer_));
   return implementation_->Initialize(kDefaultStartTransferBufferSize,
                                      kDefaultMinTransferBufferSize,
diff --git a/ppapi/shared_impl/ppb_graphics_3d_shared.cc b/ppapi/shared_impl/ppb_graphics_3d_shared.cc
index 74076ba..b4e258b 100644
--- a/ppapi/shared_impl/ppb_graphics_3d_shared.cc
+++ b/ppapi/shared_impl/ppb_graphics_3d_shared.cc
@@ -118,7 +118,6 @@ bool PPB_Graphics3D_Shared::CreateGLES2Impl(
   transfer_buffer_.reset(new gpu::TransferBuffer(gles2_helper_.get()));
 
   const bool bind_creates_resources = true;
-  const bool free_everything_when_invisible = false;
 
   // Create the object exposing the OpenGL API.
   gles2_impl_.reset(new gpu::gles2::GLES2Implementation(
@@ -126,7 +125,6 @@ bool PPB_Graphics3D_Shared::CreateGLES2Impl(
       share_gles2 ? share_gles2->share_group() : NULL,
       transfer_buffer_.get(),
       bind_creates_resources,
-      free_everything_when_invisible,
       GetGpuControl()));
 
   if (!gles2_impl_->Initialize(