Revert 251134 "Revert 251095 "Revert 250828 "Add a UMA stat to t..."

Reverting again. Confirmed that this is indeed the CL that broke
the Win7 x64 sync tests.

> Revert 251095 "Revert 250828 "Add a UMA stat to track if the Bro..."
> 
> Speculative re-land to see if this causes sync tests failures again.
> If it does, then we will know if this is the cause.
> 
> > Revert 250828 "Add a UMA stat to track if the Browser blacklist ..."
> > 
> > Speculative revert for failures here:
> > 
> > http://build.chromium.org/p/chromium.win/builders/Win7%20Sync%20x64/builds/11201
> > 
> > > Add a UMA stat to track if the Browser blacklist is Set on the Renderer
> > > 
> > > This shouldn't be happening, but we got some crash reports suggesting it
> > > does. Unable to repo locally so this stat will verify it does occur and
> > > then can be used to verify our fixes actually fix it.
> > > 
> > > BUG=329023
> > > 
> > > Review URL: https://codereview.chromium.org/140763008
> > 
> > TBR=csharp@chromium.org
> > 
> > Review URL: https://codereview.chromium.org/163633005
> 
> TBR=asvitkine@chromium.org
> 
> Review URL: https://codereview.chromium.org/164833002

TBR=asvitkine@chromium.org

Review URL: https://codereview.chromium.org/164913003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@251174 0039d316-1c4b-4281-b951-d872f2087c98

11 files changed, 2 insertions, 52 deletions

diff --git a/chrome/chrome_renderer.gypi b/chrome/chrome_renderer.gypi
index c1444cc..b546cd6 100644
--- a/chrome/chrome_renderer.gypi
+++ b/chrome/chrome_renderer.gypi
@@ -441,9 +441,6 @@
           ],
         }],
         ['OS=="win"', {
-          'dependencies': [
-            '../chrome_elf/chrome_elf.gyp:chrome_elf',
-          ],
           'include_dirs': [
             '<(DEPTH)/third_party/wtl/include',
           ],
diff --git a/chrome/interactive_ui_tests.isolate b/chrome/interactive_ui_tests.isolate
index ebd8ebe..248367e 100644
--- a/chrome/interactive_ui_tests.isolate
+++ b/chrome/interactive_ui_tests.isolate
@@ -76,7 +76,6 @@
         'isolate_dependency_tracked': [
           '../net/data/ssl/certificates/foaf.me.chromium-test-cert.der',
           '../net/data/ssl/certificates/mit.davidben.der',
-          '<(PRODUCT_DIR)/chrome_elf.dll',
           '<(PRODUCT_DIR)/d3dcompiler_46.dll',
           '<(PRODUCT_DIR)/ffmpegsumo.dll',
           '<(PRODUCT_DIR)/libEGL.dll',
diff --git a/chrome/renderer/DEPS b/chrome/renderer/DEPS
index bf9a831f..14a782f 100644
--- a/chrome/renderer/DEPS
+++ b/chrome/renderer/DEPS
@@ -1,5 +1,4 @@
 include_rules = [
-  "+chrome_elf",
   "+components/autofill/content/common",
   "+components/autofill/content/renderer",
   "+components/autofill/core/common",
diff --git a/chrome/renderer/chrome_content_renderer_client.cc b/chrome/renderer/chrome_content_renderer_client.cc
index 35abf40..9318da9 100644
--- a/chrome/renderer/chrome_content_renderer_client.cc
+++ b/chrome/renderer/chrome_content_renderer_client.cc
@@ -116,10 +116,6 @@
 #include "chrome/renderer/spellchecker/spellcheck_provider.h"
 #endif
 
-#if defined(OS_WIN)
-#include "chrome_elf/blacklist/blacklist.h"
-#endif  // OS_WIN
-
 using autofill::AutofillAgent;
 using autofill::PasswordAutofillAgent;
 using autofill::PasswordGenerationAgent;
@@ -357,19 +353,6 @@ void ChromeContentRendererClient::RenderThreadStarted() {
 
   extensions::ExtensionsClient::Set(
       extensions::ChromeExtensionsClient::GetInstance());
-
-#if defined(OS_WIN)
-  // Report if the renderer process has been patched by chrome_elf.
-  // TODO(csharp): Remove once the renderer is no longer getting
-  // patched this way.
-  typedef bool(*IsBlacklistInitializedFunc)();
-  IsBlacklistInitializedFunc is_blacklist_initialized =
-      reinterpret_cast<IsBlacklistInitializedFunc>(
-          GetProcAddress(GetModuleHandle(L"chrome_elf.dll"),
-                         "IsBlacklistInitialized"));
-  if (is_blacklist_initialized())
-    UMA_HISTOGRAM_BOOLEAN("Blacklist.PatchedInRenderer", true);
-#endif
 }
 
 void ChromeContentRendererClient::RenderFrameCreated(
diff --git a/chrome/unit_tests.isolate b/chrome/unit_tests.isolate
index 93063da..0096f1f 100644
--- a/chrome/unit_tests.isolate
+++ b/chrome/unit_tests.isolate
@@ -108,8 +108,7 @@
     ['OS=="win"', {
       'variables': {
         'isolate_dependency_tracked': [
-          '<(PRODUCT_DIR)/chrome_elf.dll',
-          '<(PRODUCT_DIR)/ffmpegsumo.dll',          
+          '<(PRODUCT_DIR)/ffmpegsumo.dll',
         ],
         'isolate_dependency_untracked': [
           '../ppapi/lib/gl/include/KHR/',
diff --git a/chrome_elf/blacklist/blacklist.cc b/chrome_elf/blacklist/blacklist.cc
index 32d3cb2..ea140c4 100644
--- a/chrome_elf/blacklist/blacklist.cc
+++ b/chrome_elf/blacklist/blacklist.cc
@@ -60,10 +60,6 @@ enum WOW64Status {
   WOW64_UNKNOWN,
 };
 
-// Record if the blacklist was successfully initialized so processes can easily
-// determine if the blacklist is enabled for them.
-bool g_blacklist_initialized = false;
-
 WOW64Status GetWOW64StatusForCurrentProcess() {
   typedef BOOL (WINAPI* IsWow64ProcessFunc)(HANDLE, PBOOL);
   IsWow64ProcessFunc is_wow64_process = reinterpret_cast<IsWow64ProcessFunc>(
@@ -276,10 +272,6 @@ int BlacklistSize() {
   return size;
 }
 
-bool IsBlacklistInitialized() {
-  return g_blacklist_initialized;
-}
-
 bool AddDllToBlacklist(const wchar_t* dll_name) {
   int blacklist_size = BlacklistSize();
   // We need to leave one space at the end for the null pointer.
@@ -381,9 +373,6 @@ bool Initialize(bool force) {
   }
 #endif
 
-  // Record that we have initialized the blacklist.
-  g_blacklist_initialized = true;
-
   BYTE* thunk_storage = reinterpret_cast<BYTE*>(&g_thunk_storage);
 
   // Mark the thunk storage as readable and writeable, since we
diff --git a/chrome_elf/blacklist/blacklist.h b/chrome_elf/blacklist/blacklist.h
index 2e21f20..5237a5c 100644
--- a/chrome_elf/blacklist/blacklist.h
+++ b/chrome_elf/blacklist/blacklist.h
@@ -61,9 +61,6 @@ bool ResetBeacon();
 // Return the size of the current blacklist.
 int BlacklistSize();
 
-// Returns if true if the blacklist has been initialized.
-extern "C" bool IsBlacklistInitialized();
-
 // Adds the given dll name to the blacklist. Returns true if the dll name is in
 // the blacklist when this returns, false on error. Note that this will copy
 // |dll_name| and will leak it on exit if the string is not subsequently removed
diff --git a/chrome_elf/blacklist/test/blacklist_test.cc b/chrome_elf/blacklist/test/blacklist_test.cc
index 39db737..3a881ad 100644
--- a/chrome_elf/blacklist/test/blacklist_test.cc
+++ b/chrome_elf/blacklist/test/blacklist_test.cc
@@ -32,7 +32,6 @@ extern "C" {
 // functions on the test blacklist dll, not the ones linked into the test
 // executable itself.
 __declspec(dllimport) bool TestDll_AddDllToBlacklist(const wchar_t* dll_name);
-__declspec(dllimport) bool TestDLL_IsBlacklistInitialized();
 __declspec(dllimport) bool TestDll_RemoveDllFromBlacklist(
     const wchar_t* dll_name);
 }
@@ -121,9 +120,6 @@ TEST_F(BlacklistTest, LoadBlacklistedLibrary) {
   base::FilePath current_dir;
   ASSERT_TRUE(PathService::Get(base::DIR_EXE, &current_dir));
 
-  // Ensure that the blacklist is loaded.
-  ASSERT_TRUE(TestDLL_IsBlacklistInitialized());
-
   // Test that an un-blacklisted DLL can load correctly.
   base::ScopedNativeLibrary dll1(current_dir.Append(kTestDllName1));
   EXPECT_TRUE(dll1.is_valid());
diff --git a/chrome_elf/blacklist/test/blacklist_test_main_dll.def b/chrome_elf/blacklist/test/blacklist_test_main_dll.def
index 82e0f0e..63522a0 100644
--- a/chrome_elf/blacklist/test/blacklist_test_main_dll.def
+++ b/chrome_elf/blacklist/test/blacklist_test_main_dll.def
@@ -6,6 +6,5 @@ LIBRARY  "blacklist_test_main_dll.dll"
 
 EXPORTS
   TestDll_AddDllToBlacklist=AddDllToBlacklist
-  TestDLL_IsBlacklistInitialized=IsBlacklistInitialized
   TestDll_RemoveDllFromBlacklist=RemoveDllFromBlacklist
-  InitBlacklistTestDll
\ No newline at end of file
+  InitBlacklistTestDll
diff --git a/chrome_elf/chrome_elf.def b/chrome_elf/chrome_elf.def
index ee9808f..3e88cfa 100644
--- a/chrome_elf/chrome_elf.def
+++ b/chrome_elf/chrome_elf.def
@@ -6,5 +6,4 @@ LIBRARY  "chrome_elf.dll"
 
 EXPORTS
   CreateFileW=CreateFileWRedirect
-  IsBlacklistInitialized
   SignalChromeElf
diff --git a/tools/metrics/histograms/histograms.xml b/tools/metrics/histograms/histograms.xml
index 1ce9e80..ea197f6 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -1282,13 +1282,6 @@ other types of suffix sets.
   </summary>
 </histogram>
 
-<histogram name="Blacklist.PatchedInRenderer" enum="BooleanHit">
-  <summary>
-    Counts the number of times a renderer process is started with the browser
-    blacklist patch. This should never be hit.
-  </summary>
-</histogram>
-
 <histogram name="Blacklist.Setup" enum="BlacklistSetup">
   <summary>
     Records the successes and failures when running the browser blacklist setup