mac: Prepare for -Wunused-functions.

Mostly involves deleting hundreds of lines of unused code.

BUG=315884
R=akalin@chromium.org, brettw@chromium.org, fischman@chromium.org, jamesr@chromium.org, sky@chromium.org, thestig@chromium.org
TBR=piman, youngki

Review URL: https://codereview.chromium.org/63153003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@233646 0039d316-1c4b-4281-b951-d872f2087c98

8 files changed, 2 insertions, 98 deletions

diff --git a/content/browser/download/download_manager_impl.cc b/content/browser/download/download_manager_impl.cc
index bd66f06..db41e5b 100644
--- a/content/browser/download/download_manager_impl.cc
+++ b/content/browser/download/download_manager_impl.cc
@@ -157,13 +157,6 @@ class MapValueIteratorAdapter {
   // Allow copy and assign.
 };
 
-void EnsureNoPendingDownloadJobsOnFile(bool* result) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
-  *result = (DownloadFile::GetNumberOfDownloadFiles() == 0);
-  BrowserThread::PostTask(
-      BrowserThread::UI, FROM_HERE, base::MessageLoop::QuitClosure());
-}
-
 class DownloadItemFactoryImpl : public DownloadItemFactory {
  public:
   DownloadItemFactoryImpl() {}
diff --git a/content/browser/renderer_host/render_widget_host_view_guest.cc b/content/browser/renderer_host/render_widget_host_view_guest.cc
index 49c55fe..dc17491 100644
--- a/content/browser/renderer_host/render_widget_host_view_guest.cc
+++ b/content/browser/renderer_host/render_widget_host_view_guest.cc
@@ -29,6 +29,7 @@ namespace content {
 
 namespace {
 
+#if defined(OS_WIN) || defined(USE_AURA)
 bool ShouldSendPinchGesture() {
   static bool pinch_allowed =
       CommandLine::ForCurrentProcess()->HasSwitch(switches::kEnablePinch);
@@ -42,6 +43,7 @@ blink::WebGestureEvent CreateFlingCancelEvent(double time_stamp) {
   gesture_event.sourceDevice = blink::WebGestureEvent::Touchscreen;
   return gesture_event;
 }
+#endif  // defined(OS_WIN) || defined(USE_AURA)
 
 }  // namespace
 
diff --git a/content/browser/renderer_host/render_widget_host_view_mac.mm b/content/browser/renderer_host/render_widget_host_view_mac.mm
index 9082dd1..3b6849f 100644
--- a/content/browser/renderer_host/render_widget_host_view_mac.mm
+++ b/content/browser/renderer_host/render_widget_host_view_mac.mm
@@ -131,15 +131,6 @@ static NSString* const NSBackingPropertyOldScaleFactorKey =
 
 #endif  // 10.7
 
-static inline int ToWebKitModifiers(NSUInteger flags) {
-  int modifiers = 0;
-  if (flags & NSControlKeyMask) modifiers |= WebInputEvent::ControlKey;
-  if (flags & NSShiftKeyMask) modifiers |= WebInputEvent::ShiftKey;
-  if (flags & NSAlternateKeyMask) modifiers |= WebInputEvent::AltKey;
-  if (flags & NSCommandKeyMask) modifiers |= WebInputEvent::MetaKey;
-  return modifiers;
-}
-
 // This method will return YES for OS X versions 10.7.3 and later, and NO
 // otherwise.
 // Used to prevent a crash when building with the 10.7 SDK and accessing the
diff --git a/content/child/indexed_db/indexed_db_dispatcher.cc b/content/child/indexed_db/indexed_db_dispatcher.cc
index b453f50..fe9554a 100644
--- a/content/child/indexed_db/indexed_db_dispatcher.cc
+++ b/content/child/indexed_db/indexed_db_dispatcher.cc
@@ -39,9 +39,6 @@ namespace {
 IndexedDBDispatcher* const kHasBeenDeleted =
     reinterpret_cast<IndexedDBDispatcher*>(0x1);
 
-int32 CurrentWorkerId() {
-  return WorkerTaskRunner::Instance()->CurrentWorkerId();
-}
 }  // unnamed namespace
 
 const size_t kMaxIDBValueSizeInBytes = 64 * 1024 * 1024;
diff --git a/content/child/npapi/plugin_instance_mac.mm b/content/child/npapi/plugin_instance_mac.mm
index 5453f8f..bc8edb2 100644
--- a/content/child/npapi/plugin_instance_mac.mm
+++ b/content/child/npapi/plugin_instance_mac.mm
@@ -19,56 +19,6 @@
 
 namespace content {
 
-namespace {
-
-// Returns an autoreleased NSEvent constructed from the given np_event,
-// targeting the given window.
-NSEvent* NSEventForNPCocoaEvent(NPCocoaEvent* np_event, NSWindow* window) {
-  bool mouse_down = 1;
-  switch (np_event->type) {
-    case NPCocoaEventMouseDown:
-      mouse_down = 1;
-      break;
-    case NPCocoaEventMouseUp:
-      mouse_down = 0;
-      break;
-    default:
-      // If plugins start bringing up context menus for things other than
-      // clicks, this will need more plumbing; for now just log it and proceed
-      // as if it were a mouse down.
-      NOTREACHED();
-  }
-  NSEventType event_type = NSLeftMouseDown;
-  switch (np_event->data.mouse.buttonNumber) {
-    case 0:
-      event_type = mouse_down ? NSLeftMouseDown : NSLeftMouseUp;
-      break;
-    case 1:
-      event_type = mouse_down ? NSRightMouseDown : NSRightMouseUp;
-      break;
-    default:
-      event_type = mouse_down ? NSOtherMouseDown : NSOtherMouseUp;
-      break;
-  }
-
-  NSInteger click_count = np_event->data.mouse.clickCount;
-  NSInteger modifiers = np_event->data.mouse.modifierFlags;
-  // NPCocoaEvent doesn't have a timestamp, so just use the current time.
-  NSEvent* event =
-      [NSEvent mouseEventWithType:event_type
-                         location:NSZeroPoint
-                    modifierFlags:modifiers
-                        timestamp:[[NSApp currentEvent] timestamp]
-                     windowNumber:[window windowNumber]
-                          context:[NSGraphicsContext currentContext]
-                      eventNumber:0
-                       clickCount:click_count
-                         pressure:1.0];
-  return event;
-}
-
-}  // namespace
-
 NPError PluginInstance::PopUpContextMenu(NPMenu* menu) {
   if (!currently_handled_event_)
     return NPERR_GENERIC_ERROR;
diff --git a/content/child/site_isolation_policy.cc b/content/child/site_isolation_policy.cc
index a761a06..e98d744 100644
--- a/content/child/site_isolation_policy.cc
+++ b/content/child/site_isolation_policy.cc
@@ -158,21 +158,6 @@ void HistogramCountNotBlockedResponse(const std::string& bucket_prefix,
     IncrementHistogramCount(bucket_prefix + ".NotBlocked.MaybeJS");
 }
 
-void HistogramCountPolicyDecision(
-    const std::string& bucket_prefix,
-    bool sniffed_as_document,
-    bool sniffed_as_js,
-    const SiteIsolationPolicy::ResponseMetaData& resp_data) {
-  if (sniffed_as_document) {
-    HistogramCountBlockedResponse(bucket_prefix, resp_data, false);
-  } else {
-    if (resp_data.no_sniff)
-      HistogramCountBlockedResponse(bucket_prefix, resp_data, true);
-    else
-      HistogramCountNotBlockedResponse(bucket_prefix, sniffed_as_js);
-  }
-}
-
 }  // namespace
 
 SiteIsolationPolicy::ResponseMetaData::ResponseMetaData() {}
diff --git a/content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.cc b/content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.cc
index 4202c7e..6cfe532 100644
--- a/content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.cc
+++ b/content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.cc
@@ -50,12 +50,6 @@ typedef std::multimap<GpuChannelHost*, WebGraphicsContext3DCommandBufferImpl*>
 static base::LazyInstance<ContextMap> g_all_shared_contexts =
     LAZY_INSTANCE_INITIALIZER;
 
-size_t ClampUint64ToSizeT(uint64 value) {
-  value = std::min(value,
-                   static_cast<uint64>(std::numeric_limits<size_t>::max()));
-  return static_cast<size_t>(value);
-}
-
 uint32_t GenFlushID() {
   static base::subtle::Atomic32 flush_id = 0;
 
diff --git a/content/renderer/npapi/webplugin_delegate_proxy.cc b/content/renderer/npapi/webplugin_delegate_proxy.cc
index 7d5bf54..0899c21 100644
--- a/content/renderer/npapi/webplugin_delegate_proxy.cc
+++ b/content/renderer/npapi/webplugin_delegate_proxy.cc
@@ -666,14 +666,6 @@ bool WebPluginDelegateProxy::CreateSharedBitmap(
   return !!canvas->get();
 }
 
-#if defined(OS_MACOSX)
-// Flips |rect| vertically within an enclosing rect with height |height|.
-// Intended for converting rects between flipped and non-flipped contexts.
-static void FlipRectVerticallyWithHeight(gfx::Rect* rect, int height) {
-  rect->set_y(height - rect->bottom());
-}
-#endif
-
 void WebPluginDelegateProxy::Paint(SkCanvas* canvas,
                                    const gfx::Rect& damaged_rect) {
   // Limit the damaged rectangle to whatever is contained inside the plugin