aw: Add versions to public function tables

BUG=399370

Review URL: https://codereview.chromium.org/433603005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@287810 0039d316-1c4b-4281-b951-d872f2087c98

android_webview/buildbot/aosp_manifest.xml

@@ -262,7 +262,7 @@
   <project name="platform/frameworks/support" path="frameworks/support" revision="1e3d0c89282627f8b0d66d2bdae4efc2287ab043"/>
   <project name="platform/frameworks/testing" path="frameworks/testing" revision="5c8e0271db889518f5969b142a37faa01a4ee54d"/>
   <project name="platform/frameworks/volley" path="frameworks/volley" revision="a53cb80bea6fc83edfa73e7a850e83f4020fcf07"/>
-  <project name="platform/frameworks/webview" path="frameworks/webview" revision="2b4719f12bac2f9f71d99567f09f46916903edf8"/>
+  <project name="platform/frameworks/webview" path="frameworks/webview" revision="707d93ceba55f52771e749b223fbfc010c9a025e"/>
   <project name="platform/frameworks/wilhelm" path="frameworks/wilhelm" revision="a62c3572e60ae0446632de15418a65089cccf551"/>
   <project name="platform/hardware/akm" path="hardware/akm" revision="32838ef838d1341aa8b77022869b801fb0bbb26c"/>
   <project groups="pdk" name="platform/hardware/broadcom/libbt" path="hardware/broadcom/libbt" revision="55ddd0cce019e88829f92b2fe4e17d5869daa9b9"/>

android_webview/public/browser/draw_gl.h

@@ -86,8 +86,11 @@ typedef void* AwGetNativeBufferFunction(long buffer_id);
 // Called to get the stride of the buffer
 typedef unsigned int AwGetStrideFunction(long buffer_id);
 
+static const int kAwDrawGLFunctionTableVersion = 1;
+
 // Set of functions used in rendering in hardware mode
 struct AwDrawGLFunctionTable {
+  int version;
   AwCreateGraphicBufferFunction* create_graphic_buffer;
   AwReleaseGraphicBufferFunction* release_graphic_buffer;
   AwMapFunction* map;

android_webview/public/browser/draw_sw.h

@@ -43,9 +43,12 @@ typedef void (SkiaVersionFunction)(int* major, int* minor, int* patch);
 // Called to verify if the Skia versions are compatible.
 typedef bool (AwIsSkiaVersionCompatibleFunction)(SkiaVersionFunction function);
 
+static const int kAwDrawSWFunctionTableVersion = 1;
+
 // "vtable" for the functions declared in this file. An instance must be set via
 // AwContents.setAwDrawSWFunctionTable
 struct AwDrawSWFunctionTable {
+  int version;
   AwAccessPixelsFunction* access_pixels;
   AwReleasePixelsFunction* release_pixels;
 };