Add browser resource host for Apps v2 APIs in Pepper.

ppapi/thunk/extensions_common_api.h

Index: ppapi/thunk/extensions_common_api.h
diff --git a/ppapi/thunk/extensions_common_api.h b/ppapi/thunk/extensions_common_api.h
index 7772c5c09ec714ad5a24c07c18703b4de9ca729a..5afb73fac90deef6ee75a0140a4054a4df579ea6 100644
--- a/ppapi/thunk/extensions_common_api.h
+++ b/ppapi/thunk/extensions_common_api.h
@@ -21,12 +21,18 @@ class PPAPI_THUNK_EXPORT ExtensionsCommon_API {
  public:
   virtual ~ExtensionsCommon_API() {}
 
-  virtual int32_t Call(const std::string& request_name,
-                       const std::vector<PP_Var>& input_args,
-                       const std::vector<PP_Var*>& output_args,
-                       scoped_refptr<TrackedCallback> callback) = 0;
-  virtual void Post(const std::string& request_name,
-                    const std::vector<PP_Var>& args) = 0;
+  virtual int32_t CallRenderer(const std::string& request_name,
+                               const std::vector<PP_Var>& input_args,
+                               const std::vector<PP_Var*>& output_args,
+                               scoped_refptr<TrackedCallback> callback) = 0;
+  virtual void PostRenderer(const std::string& request_name,
+                            const std::vector<PP_Var>& args) = 0;
+  virtual int32_t CallBrowser(const std::string& request_name,
+                              const std::vector<PP_Var>& input_args,
+                              const std::vector<PP_Var*>& output_args,
+                              scoped_refptr<TrackedCallback> callback) = 0;
+  virtual void PostBrowser(const std::string& request_name,
+                           const std::vector<PP_Var>& args) = 0;
 
   static const SingletonResourceID kSingletonResourceID =
       EXTENSIONS_COMMON_SINGLETON_ID;