Disable Pepper Flash component updater on Linux.

chrome/browser/component_updater/pepper_flash_component_installer.cc

Index: chrome/browser/component_updater/pepper_flash_component_installer.cc
diff --git a/chrome/browser/component_updater/pepper_flash_component_installer.cc b/chrome/browser/component_updater/pepper_flash_component_installer.cc
index 71edeefb245ec8e14bf9385d1b36277f0d9cf478..09cb79a4758d185bcc3bffb404291833f7e788cf 100644
--- a/chrome/browser/component_updater/pepper_flash_component_installer.cc
+++ b/chrome/browser/component_updater/pepper_flash_component_installer.cc
@@ -84,7 +84,7 @@ base::FilePath GetPepperFlashBaseDirectory() {
   return result;
 }
 
-#if defined(GOOGLE_CHROME_BUILD)
+#if defined(GOOGLE_CHROME_BUILD) && !defined(OS_LINUX)
 // Pepper Flash plugins have the version encoded in the path itself
 // so we need to enumerate the directories to find the full path.
 // On success, |latest_dir| returns something like:
@@ -332,7 +332,7 @@ bool CheckPepperFlashManifest(base::DictionaryValue* manifest,
 
 namespace {
 
-#if defined(GOOGLE_CHROME_BUILD)
+#if defined(GOOGLE_CHROME_BUILD) && !defined(OS_LINUX)
 void FinishPepperFlashUpdateRegistration(ComponentUpdateService* cus,
                                          const Version& version) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
@@ -379,12 +379,12 @@ void StartPepperFlashUpdateRegistration(ComponentUpdateService* cus) {
     file_util::Delete(*iter, true);
   }
 }
-#endif  // defined(GOOGLE_CHROME_BUILD)
+#endif  // defined(GOOGLE_CHROME_BUILD) && !defined(OS_LINUX)
 
 }  // namespace
 
 void RegisterPepperFlashComponent(ComponentUpdateService* cus) {
-#if defined(GOOGLE_CHROME_BUILD)
+#if defined(GOOGLE_CHROME_BUILD) && !defined(OS_LINUX)

[cpu_(ooo_6.6-7.5), 2013/03/19 00:54:17]

I think you only need to ifdef this function. Do you need the other ones too?

[yzshen1, 2013/03/19 16:27:09]

In CL https://chromiumcodereview.appspot.com/10977073
Nico marked the other two places because of -Wunused-function warnings. I think
if I change this but not the other two, we will again get warnings.

   // Component updated flash supersedes bundled flash therefore if that one
   // is disabled then this one should never install.
   CommandLine* cmd_line = CommandLine::ForCurrentProcess();