Add the plumbing to enable DRP

android_webview/browser/aw_browser_context.h

Index: android_webview/browser/aw_browser_context.h
diff --git a/android_webview/browser/aw_browser_context.h b/android_webview/browser/aw_browser_context.h
index 94bbf4ac2fc77157ff7e79edc07b16d7ce5b0008..2d8356fef4b8e808fe5bcd97598275db9cf58578 100644
--- a/android_webview/browser/aw_browser_context.h
+++ b/android_webview/browser/aw_browser_context.h
@@ -64,6 +64,8 @@ class AwBrowserContext : public content::BrowserContext,
   static AwBrowserContext* FromWebContents(
       content::WebContents* web_contents);
 
+  static void SetDataReductionProxyEnabled(bool enabled);

[boliu, 2014/05/07 23:30:09]

AwBrowserContext is effectively global already. Why make this static?

I think we should move the retriving of the default AwBrowserContext into the
caller, and then make this not static.

Better yet, can the java method be implemented on java AwBrowserContext instead?

+
   // Maps to BrowserMainParts::PreMainMessageLoopRun.
   void PreMainMessageLoopRun();
 
@@ -132,6 +134,8 @@ class AwBrowserContext : public content::BrowserContext,
       const scoped_refptr<URLEnumerator>& enumerator) OVERRIDE;
 
  private:
+  static bool data_reduction_proxy_enabled_;
+
   // The file path where data for this context is persisted.
   base::FilePath context_storage_path_;